Home / 474,327.20-711,491.06-193,844.16

Finding the Fourth Proportional to 474,327.20, 711,491.06 and 193,844.16

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Solution

The fourth proportional to 474,327.20, 711,491.06 and 193,844.16 is: 290,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,327.20 : 711,491.06 = 193,844.16 : x
  2. Step 2: Convert to fraction form
    474,327.20/711,491.06 = 193,844.16/x
  3. Step 3: Cross multiply
    474,327.20x = 711,491.06 × 193,844.16
  4. Step 4: Simplify right side
    474,327.20x = 137,918,386,873.21
  5. Step 5: Solve for x
    x = 137,918,386,873.21/474,327.20
  6. Step 6: Final answer
    x = 290,766.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.